320204313440011 has 48 divisors (see below), whose sum is σ = 437873211242208. Its totient is φ = 230173992921600.

The previous prime is 320204313439943. The next prime is 320204313440029. The reversal of 320204313440011 is 110044313402023.

It is a happy number.

It is not a de Polignac number, because 320204313440011 - 2²¹ = 320204311342859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320204313440041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2863170 + ... + 25467751.

It is an arithmetic number, because the mean of its divisors is an integer number (9122358567546).

Almost surely, 2^{320204313440011} is an apocalyptic number.

320204313440011 is a deficient number, since it is larger than the sum of its proper divisors (117668897802197).

320204313440011 is a wasteful number, since it uses less digits than its factorization.

320204313440011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332572 (or 28332565 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 320204313440011 its reverse (110044313402023), we get a palindrome (430248626842034).

The spelling of 320204313440011 in words is "three hundred twenty trillion, two hundred four billion, three hundred thirteen million, four hundred forty thousand, eleven".